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IJFS 2016, 15 Back to browse issues page
Effects of dietary fish oil replacement by vegetable oil on the serum biochemical and haematological parameters of African catfish (Heterobranchus longifilis) fingerlings
T.O. Babalola * , F.E. Oyawale , I.O. Adejumo , S.A. Bolu
, theophilus.babalola@fuoye.edu.ng
Abstract:   (2107 Views)

The present study aimed to elucidate the impacts of dietary vegetable oil blends as alternative to fish oil on serum biochemical and haematological parameters in Heterobranchus longifilis fingerlings. Fish (4.65 ± 0.23g) were fed diets containing fish oil (FO), palm oil (PO), soybean oil (SO), blend of PO and SO (POSO) over a 12-week period. The experiment was carried out in 62-l circular tanks with 10 fish per tank. Fish were fed two times a day until apparent satiation. At the end of the experiment, blood samples were collected from each treatment for investigation of serum biochemical and haematological parameters. The results showed that total protein was not significantly affected by the different dietary lipid sources (p >0.05). However, serum glucose was significantly higher in fish fed the control diet (p<0.05). Activities of liver enzymes (AST, ALT, ALP), total cholesterol, triglyceride, LDL and HDL exhibited a significant increase in the blood of fish fed combinations of the vegetable lipid sources (p<0.05). The PCV, RBC and MCV were not affected by the dietary lipid sources (p>0.05). These results indicate that FO can be replaced with PO, SO or their combinations in the diet of H. longifilis fingerlings without any negative health impacts.

Keywords: Fish oil, Vegetable oil, Heterobranchus longifilis, Haematology, Serum biochemical
Full-Text [PDF 365 kb]   (1593 Downloads)    
Type of Study: Orginal research papers | Subject: Biology & physiology
Received: 2016/05/1 | Accepted: 2016/05/1 | Published: 2016/05/1
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Babalola T, Oyawale F, Adejumo I, Bolu S. Effects of dietary fish oil replacement by vegetable oil on the serum biochemical and haematological parameters of African catfish (Heterobranchus longifilis) fingerlings. IJFS. 2016; 15 (2) :775-788
URL: http://jifro.ir/article-1-2220-en.html


Volume 15, Issue 2 (4-2016) Back to browse issues page
مجله علوم شیلاتی ایران Iranian Journal of Fisheries Sciences
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